February 5, 2023

Archives for March 2017

Questions for the FBI on Encryption Mandates

I wrote on Monday about how to analyze a proposal to mandate access to encrypted data. FBI Director James Comey, at the University of Texas last week, talked about encryption policy and his hope that some kind of exceptional access for law enforcement will become available. (Here’s a video.)  Let’s look at what Director Comey […]

How to Analyze An Encryption Access Proposal

It looks like the idea of requiring law enforcement access to encrypted data is back in the news, with the UK government apparently pushing for access in the wake of the recent London attack. With that in mind, let’s talk about how one can go about analyzing a proposed access mandate. The first thing to […]

How to buy physical goods using Bitcoin with improved security and privacy

Bitcoin has found success as a decentralized digital currency, but it is only one step toward decentralized digital commerce. Indeed, creating decentralized marketplaces and mechanisms is a nascent and active area of research. In a new paper, we present escrow protocols for cryptocurrencies that bring us closer to decentralized commerce. In any online sale of […]

Pragmatic advice for buying “Internet of Things” devices

We’re hearing an increasing amount about security flaws in “Internet of Things” devices, such as a “messaging” teddy bear with poor security or perhaps Samsung televisions being hackable to become snooping devices. How are you supposed to make purchasing decisions for all of these devices when you have no idea how they work or if […]